//-----------------------------------------------------------------------------
//  Copyright (C) 2011-2018, GB Research, LLC (www.gbresearch.com)
//  
//  Boost Software License - Version 1.0 - August 17th, 2003
//
//  Permission is hereby granted, free of charge, to any person or organization
//  obtaining a copy of the software and accompanying documentation covered by
//  this license (the "Software") to use, reproduce, display, distribute,
//  execute, and transmit the Software, and to prepare derivative works of the
//  Software, and to permit third-parties to whom the Software is furnished to
//  do so, all subject to the following:
//
//  The copyright notices in the Software and this entire statement, including
//  the above license grant, this restriction and the following disclaimer,
//  must be included in all copies of the Software, in whole or in part, and
//  all derivative works of the Software, unless such copies or derivative
//  works are solely in the form of machine-executable object code generated by
//  a source language processor.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
//  SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
//  FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
//  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
//  DEALINGS IN THE SOFTWARE.
//-----------------------------------------------------------------------------

#pragma once

#include <utility>
#include "axe_extractor.h"
#include "axe_trait.h"
#include "axe_detail.h"

namespace axe
{
    inline namespace operators
    {
        //-------------------------------------------------------------------------
        // extractor operators and functions
        //-------------------------------------------------------------------------

        //-------------------------------------------------------------------------
        template<class R, class E>
        r_extractor_t<
            detail::enable_if_rule<R>,
            detail::enable_if_extractor<E>
        >
            operator >> (R&& r, E&& e)
        {
            return r_extractor_t<std::decay_t<R>, std::decay_t<E>>(std::forward<R>(r), std::forward<E>(e));
        }

        //-------------------------------------------------------------------------
        template<class R, class T>
        r_extractor_t<
            detail::enable_if_rule<R>,
            detail::enable_if_not_extractor<T, e_value_t<T>>
        >
            operator >> (R&& r, T& t)
        {
            return r_extractor_t<std::decay_t<R>, e_value_t<T>>(std::forward<R>(r), e_value_t<T>(t));
        }

    }
}
